Screw/cap assemblies and their manufacture

Details Screw/cap assemblies and their manufacture Screw/cap assemblies and their manufacture

1989-09-07

1990-08-14

Wilson, Neill R.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Headed fastener element with nut, washer, securing means or cap

Cap over the head

411372, 411908, 10866, F16B 1900, F16B 3300

Patent

active

049483196

ABSTRACT:
It is known for colored plastics caps to be pushed by a customer onto heads of metal screws, after the screws have been secured to sheets of colored cladding or roofing. It is also known for the caps to be molded around the screw heads by a manufacturer. In the present invention, a screw/cap assembly is formed by bonding an initially separate cap onto the head of a screw by means of an adhesive, such as an epoxy resin sufficiently strong to allow the screw to be driven while the cap is in place. The intention is that the manufacturer would maintain stocks of the caps and stocks of the screws of different types, and only secure predetermined caps onto the heads of predetermined screws in response to specific orders from customers.

REFERENCES:
patent: 3470787 (1969-10-01), Mackie
patent: 4373842 (1983-02-01), Bettini et al.
patent: 4582462 (1986-04-01), Thiel
patent: 4764070 (1988-08-01), Baltzell et al.
patent: 4826380 (1989-05-01), Henry

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